THE Departmental Committee on Sight Tests has recommended a method of classifying colour-blindness by measuring the luminosity of the colour sensations by means of the flicker method of photometry.

Colour perception is one of the most complex and debated phenomena in visual neuroscience and psychology. It encompasses how the human visual system interprets wavelengths of light to produce the ...

The colors we perceive and the colors that impact our health are not the same. Without thinking, we tend to make decisions about the color of light and our surroundings based on what we perceive. But ...

As many people sit at the wheel of their car, they are certain they know what colour is. It’s the red traffic light in front of them, the garish yellow hatchback in the next lane, or the green verge ...

Researchers from the field of natural sciences, find spectroscopy as an important investigatory tool. In fact, spectral analysis is extensively used by evolutionary researchers, geologists, climate ...

Typically, to improve one’s eyesight, we look to tools like corrective lenses or laser eye surgery to improve optical performance. However, [Casey Connor 2] came across another method, that uses light ...

Although LEDs are increasingly used in low-energy lighting and displays, consumers sometimes find their light harsh or unpleasant. Findings from a new study point to the need to take age-related ...

Every now and then, a bit of nostalgia bait drifts across my social media feed, with people pining for the brighter colors of the past – the vivid hues of the Toys R Us logo, or a 90s McDonald’s play ...

In many areas, the environment fluctuates greatly depending on the season, and animals living in those areas must adapt to the changing environment. A research group from the National Institute for ...